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Being retired and not using Lightroom (LR) on a regular basis, I have had no need to upgrade to Lightroom CC and currently still using LR v3.6. I recently upgraded the iMac OS to El Capitan and ever since doing so, I cannot import images from my camera (Canon S100) as in the past, connecting it directly with a USB cord. LR cannot see the camera when connected at all. What does automatically happen is that Apple's Photo software now automatically opens.

Since I prefer LR's raw features, I would like to continue with that, but I have not found any way to stop Photos from opening or LR to connect to my camera. Any suggestions? Or, is it time to scrap LR and resign myself to using Photos? Paying for Lightroom CC for the little I use it is not an option.

I'll bet this isn't really about Lightroom, but rather that you computer doesn't do what you want when your camera is connected.

Use Image Capture's preferences to select what you want to happen when you connect your camera. (I'll bet this is what ibook Steve was getting at with his post.) That's also the way to manage what happens when you connect any other photo source (which can include flash media that contains image files) to your computer. Just getting your computer to acknowledge your camera is connected may be all it takes to solve the Lightroom issue.

I do now understand the role Image Capture plays in all of this. I have been able to stop Photos from automatically opening and Lightroom will recognize my SD card if I take it out of the camera and insert it into the card reader in the iMac. But Lightroom will still not recognize the camera itself.

Others on the Adobe forums experiencing this same problem have come to the conclusion that El Capitan is the problem. It isn't recognizing cameras not only in Lightroom, but for many of their applications.